1199134480 has 60 divisors (see below), whose sum is σ = 2865636900. Its totient is φ = 466647552.

The previous prime is 1199134477. The next prime is 1199134483. The reversal of 1199134480 is 844319911.

It is an interprime number because it is at equal distance from previous prime (1199134477) and next prime (1199134483).

It can be written as a sum of positive squares in 6 ways, for example, as 13571856 + 1185562624 = 3684^2 + 34432^2 .

It is a super-2 number, since 2×1199134480² = 2875847002249740800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199134483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104046 + ... + 114994.

It is an arithmetic number, because the mean of its divisors is an integer number (47760615).

Almost surely, 2^1199134480 is an apocalyptic number.

1199134480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199134480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432818450).

1199134480 is an abundant number, since it is smaller than the sum of its proper divisors (1666502420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199134480 is a wasteful number, since it uses less digits than its factorization.

1199134480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036 (or 10993 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1199134480 is about 34628.5211927971. The cubic root of 1199134480 is about 1062.4030209986.

The spelling of 1199134480 in words is "one billion, one hundred ninety-nine million, one hundred thirty-four thousand, four hundred eighty".